13
TDD10 - NLFREN - v1.0 - 11042017
EN
TOOLS
6 Fault resolutions
Faults
Possible reasons
Solutions
Data inaccurate
On-site calibration method is not correct Re-calibration on-site or scene selection
for factory calibration
Factory calibration is not suitable for
liquid under measurement
Calibration on-site by check chapter
Instrument operation is less than the
minimum flow rate
Calibration on-site by check chapter
The flow meter is blocked by part of dry
liquid
Remove the impeller and carefully clean
it. Ensure that the impeller is rotating
freely
Sealant material wrapped around the
impeller
Remove instrument (LCD screen) to
ensure that the impeller is rotating freely
Packed with accessories too closely
Install correctly
Installed too close to the motor or
electronic noise environment
Install correctly
Reading are degenerating or blanking
Power of batteries is weak, or even on
depleted
Remove the computer and, if necessary,
check and reinstall or replace the
batteries
Computer failure
Contact your dealer
Normal flow rate but the instrument
does not count, and when pressing
DISPLAY, the instrument boots
On-site calibration method is not correct Re-check on-site, or check by your
dealer’s technical service
Impeller jammed or damaged
Remove instrument to ensure that the
impeller is rotating freely
Sealant material wrapped around the
impeller
Remove instrument to ensure that the
impeller is rotating freely
Computer failure
Contact your dealer
The flow rate meter reduced and can not
count, when press DISPLAY, instrument
boots
The flow meter is blocked by dry liquid
Remove the impeller and carefully clean
it. Ensure that the impeller is rotating
freely
Lower than minimum flow rate
Improve flow rate
Instrument is not allowed the access to
the site check
Computer circuit board failure
Replace the computer, contact your
dealer
Buttons failure
Replace the computer, contact your
dealer
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